(IME - 2005) Resolva a equao:
(IME - 2005) Resolva a equação:
\(2sen11x+cos3x+\sqrt{3}sen3x=0\)
A
\(\left\{ -\frac{\pi}{84}\pm\frac{k\pi}{7},\,\,k\in\mathbb{Z} \right \}\)
B
\(\left\{ -\frac{\pi}{84}+\frac{k\pi}{7},\,\,k\in\mathbb{Z} \right \}\)
C
\(\left\{ \frac{\pi}{84}+\frac{k\pi}{7},\,\,k\in\mathbb{Z} \right \}\cup\left\{ \frac{5\pi}{84}-\frac{k\pi}{4},\,\,k\in\mathbb{Z} \right \}\)
D
\(\left\{ -\frac{\pi}{84}+\frac{k\pi}{7},\,\,k\in\mathbb{Z} \right \}\cup\left\{ -\frac{5\pi}{84}\pm\frac{k\pi}{4},\,\,k\in\mathbb{Z} \right \}\)
E
\(\left\{ -\frac{\pi}{84}+\frac{k\pi}{7},\,\,k\in\mathbb{Z} \right \}\cup\left\{ -\frac{5\pi}{48}-\frac{k\pi}{4},\,\,k\in\mathbb{Z} \right \}\)
